Here, you will get Class 12 Biology MCQ of Chapter 7 Evolution for cracking NEET/AIIMS. By solving these MCQs of Class 12 Biology Chapter 7 Evolution, you will get the confidence to crack NEET. Practice MCQ Questions for Class 12 Biology with Answers on a daily basis and score well in exams.
Evolution Class 12 MCQs Questions with Answers
Animal husbandry and plant breeding programmes are the examples of
(a) reverse evolution
(b) aritifical selection
(c) mutation
(d) natural selection
Answer: (d) natural selection
(p+q)2 = p2 + 2pq + q2 = 1 represents an equation used in
(a) population genetics
(b) Mendilian genetics
(c) biometircs
(d) molecular genetics
Answer: (a) population genetics
Fossils are generally found in
(a) sedimentary rocks
(b) igneous rocks
(c) metamorphic rocks
(d) any type of rock
Answer: (a) sedimentasry rocks
Which of the following is an example for link species ?
(a) Lobe fish
(b) Dodo bird
(c) Seaweed
(d) Chimpanzee
Answer: (a) Lobe fish
Variations during mutations of meiotic recombinations are
(a) random and directionless
(b) random and directional
(c) random and small
(d) random small and directional
Answer: (a) random and directionless
Abiogenesis theory of origin supports
(a) spontaneous generation
(b) origin of life from blue-green algae
(c) origin of life is due to pre-existing organisms
(d) organic evolution is due to chemical reactions
Answer: (a) spontaneous generation
According to one of the most widely accepted theories, earth’s atmosphere before origin of life was
(a) oxidising
(b) oxidising along with H2
(c) reducing with free O2 in small amount
(d) reducing with oxygen absent in O2 form
Answer: (b) oxidising along with H2
As per Neo-Darwinism, which is mainly responsible for evolution?
(a) Mutation
(b) Natural drift
(c) Both of these
(d) All of these
Answer: (b) Natural drift
Which one of the following phenomenon supports Darwin’s concept of natural selection in organic evolution?
(a) Development of transgenic animals
(b) Production of ‘Dolly the sheep’ by cloning
(c) Prevalence of pesticide resistant insects
(d) Development of organs from ‘Stem cells’ for organ transplantation
Answer: (c) Prevalence of pesticide resistant insects
Theory of Pangenesis was given by
(a) Darwin
(b) Lamarck
(c) Weismann
(d) DeVries
Answer: (a) Darwin
Life on earth appeared
(a) 800 million years after the formation of the earth
(b) 700 million years after the formation of he earth
(c) 600 million years after the formation of the earth
(d) 500 million years after the formation of the earth
Answer: (a) 800 million years after the formation of the earth
Name the Russian scientist who proposed that the first form of life could come from pre-existing non living organic molecules and that the formation of life was preceded by chemical evolution
(a) Darwin
(b) Mendel
(c) Louis Pasteur
(d) Oparin
Answer: (d) Oparin
Homology indicates
(a) Common structure
(b) Common organs
(c) Common brain
(d) Common ancestry
Answer: (d) Common ancestry
Use of herbicides, pesticides etc. has resulted in
(а) More varieties in a much lesser time scale
(b) Less varieties in a much lesser time scale
(c) Resistant varieties in a much lesser time scale
(d) None of the above
Answer: (c) Resistant varieties in a much lesser time scale
The principle that says that allele frequencies in a population are stable and is constant from generation to generation is
(a) Hardy-Weinberg Principle
(b) Charles Darwin Principle
(c) de Vries Principle
(d) Lamarch Principle
Answer: (a) Hardy-Weinberg Principle
The first cellular form of life appeared on earth in about
(a) 3000 mya
(b) 2500 mya
(c) 2000 mya
(d) 1500 mya
Answer: (c) 2000 mya
Early atmosphere contained methane and other hydrocarbons. They have been now replaced by
(a) nitrogen
(b) oxygen
(c) carbon dioxide
(d) hydrogen
Answer: (c) carbon dioxide
First life from on earth was a
(a) cyanobacterium
(b) chemoheterotroph
(c) autotroph
(d) photoautotroph
Answer: (b) chemoheterotroph
Identify the correct arrangement of periods of Palaeozic era in ascending order in geological time scale
(a) Cambrian → Devonian → Ordovician → Silurian → Carboniferous → Permian
(b) Cambrian → Ordovician → Silurian → Devonian → Carboniferous → Permian
(c) Cambrian → Ordovician → Devonian → Silurian → Carboniferous → Permian
(d) Silurian → Devonian → Cambrian → Ordovician → Permian → Carboniferous
Answer: (b) Cambrian → Ordovician → Silurian → Devonian → Carboniferous → Permian
The brain capacity of Homo erectus was about
(a) 650 c.c.
(b) 900 c.c.
(c) 1500 c.c.
(d) 1400 c.c.
Answer: (b) 900 c.c.
The work of ……………. on population influenced Darwin
(a) Mendel
(b) Lamarck
(c) Malthus
(d) None of the above
Answer: (c) Malthus
Book ‘Philosophique Zoologique’ was written by
(a) Lamarck
(b) Mendel
(c) Darwin
(d) Hugo-devries
Answer: (a) Lamarck
Wings of Butterfly and birds are
(a) Vestigial organs
(b) Analogous organs
(c) Homologous organs
(d) Both (a) and (b)
Answer: (b) Analogous organs
The extinct stone ancestor, who ate only fruits and hunted with stone weapons was
(a) Ramapithecus
(b) Australophecus
(c) Dryopithecus
(d) Homo erectus
Answer: (b) Australophecus
Which is the correct order of increasing geological time scale for a hypothetical vertebrate evolution ?
(a) Cenozoic, Mesozoic, Palaeozoic, Proterozoic
(b) Cenozoic, Palaeozoic, Mesozoic, Proterozoic
(c) Proterozoic, Cenozoic, Palaezoic, Mesozoic
(d) Proterozoic, Palaeozoic, Mesozoic, Cenozoic
Answer: (d) Proterozoic, Palaeozoic, Mesozoic, Cenozoic
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